Wi-fi could be used to detect weapons and bombs

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Ordinary wi-fi could be used to detect weapons and explosives in public places, according to a study led by the Rutgers University in New Jersey.

Wireless signals can penetrate bags to measure the dimensions of metal objects or estimate the volume of liquids, researchers claim.

Initial tests appeared to show that the system was at least 95% accurate. 

Editor's Comment
Bravo police for prompt action

It is also hurting that whilst we all know that the Botswana Police Service (BPS) is charged functionally with the duties to investigate all forms of crime, some locals have resorted to taking the law into their own hands. It is very wrong to do that. There is also a possibility that one may wrongfully take the life of a person in the process, unless it is a justifiable case of self-defence. Recently, in the city of Francistown, some locals found...

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